142439440

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{12451}}^1$

素因数の和:12488

約数の個数: 80

約数和(自身を含む): 389100096

約数和(自身を除く): 246660656

約数列:

[1, 2, 4, 5, 8, 10, 11, 13, 16, 20, 22, 26, 40, 44, 52, 55, 65, 80, 88, 104, 110, 130, 143, 176, 208, 220, 260, 286, 440, 520, 572, 715, 880, 1040, 1144, 1430, 2288, 2860, 5720, 11440, 12451, 24902, 49804, 62255, 99608, 124510, 136961, 161863, 199216, 249020, 273922, 323726, 498040, 547844, 647452, 684805, 809315, 996080, 1095688, 1294904, 1369610, 1618630, 1780493, 2191376, 2589808, 2739220, 3237260, 3560986, 5478440, 6474520, 7121972, 8902465, 10956880, 12949040, 14243944, 17804930, 28487888, 35609860, 71219720, 142439440]

約数ペア:

[(1, 142439440), (2, 71219720), (4, 35609860), (5, 28487888), (8, 17804930), (10, 14243944), (11, 12949040), (13, 10956880), (16, 8902465), (20, 7121972), (22, 6474520), (26, 5478440), (40, 3560986), (44, 3237260), (52, 2739220), (55, 2589808), (65, 2191376), (80, 1780493), (88, 1618630), (104, 1369610), (110, 1294904), (130, 1095688), (143, 996080), (176, 809315), (208, 684805), (220, 647452), (260, 547844), (286, 498040), (440, 323726), (520, 273922), (572, 249020), (715, 199216), (880, 161863), (1040, 136961), (1144, 124510), (1430, 99608), (2288, 62255), (2860, 49804), (5720, 24902), (11440, 12451)]